Add Elf 32 Support to Courgette.

courgette/encode_decode_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "courgette/base_test_unittest.h"
 #include "courgette/courgette.h"
 #include "courgette/streams.h"
 
 class EncodeDecodeTest : public BaseTest {
  public:
-  void TestExe(const char *) const;
+  void TestAssembleToStreamDisassemble(std::string file,
+                                       size_t expected_encoded_lenth) const;
 };
 
-void EncodeDecodeTest::TestExe(const char* file_name) const {
-  // Test top-level Courgette API for converting an a file to a binary
-  // assembly representation and back.
-  std::string file1 = FileContents(file_name);
-
-  const void* original_buffer = file1.c_str();
-  size_t original_length = file1.size();
+void EncodeDecodeTest::TestAssembleToStreamDisassemble(
+    std::string file,
+    size_t expected_encoded_lenth) const {
+  const void* original_buffer = file.c_str();
+  size_t original_length = file.length();
 
   courgette::AssemblyProgram* program = NULL;
   const courgette::Status parse_status =
-      courgette::ParseDetectedExecutable(original_buffer, original_length,
+      courgette::ParseDetectedExecutable(original_buffer,
+                                         original_length,
                                          &program);
   EXPECT_EQ(courgette::C_OK, parse_status);
 
   courgette::EncodedProgram* encoded = NULL;
 
   const courgette::Status encode_status = Encode(program, &encoded);
   EXPECT_EQ(courgette::C_OK, encode_status);
 
   DeleteAssemblyProgram(program);
 
   courgette::SinkStreamSet sinks;
   const courgette::Status write_status = WriteEncodedProgram(encoded, &sinks);
   EXPECT_EQ(courgette::C_OK, write_status);
 
   DeleteEncodedProgram(encoded);
 
   courgette::SinkStream sink;
   bool can_collect = sinks.CopyTo(&sink);
   EXPECT_TRUE(can_collect);
 
   const void* buffer = sink.Buffer();
   size_t length = sink.Length();
 
-  EXPECT_EQ(971850U, length);
+  EXPECT_EQ(expected_encoded_lenth, length);
 
   courgette::SourceStreamSet sources;
   bool can_get_source_streams = sources.Init(buffer, length);
   EXPECT_TRUE(can_get_source_streams);
 
   courgette::EncodedProgram *encoded2 = NULL;
   const courgette::Status read_status = ReadEncodedProgram(&sources, &encoded2);
   EXPECT_EQ(courgette::C_OK, read_status);
 
   courgette::SinkStream assembled;
   const courgette::Status assemble_status = Assemble(encoded2, &assembled);
   EXPECT_EQ(courgette::C_OK, assemble_status);
 
   const void* assembled_buffer = assembled.Buffer();
   size_t assembled_length = assembled.Length();
 
   EXPECT_EQ(original_length, assembled_length);
   EXPECT_EQ(0, memcmp(original_buffer, assembled_buffer, original_length));
 
   DeleteEncodedProgram(encoded2);
 }
 
+TEST_F(EncodeDecodeTest, PE) {
+  std::string file = FileContents("setup1.exe");
+  TestAssembleToStreamDisassemble(file, 971850);
+}
 
-TEST_F(EncodeDecodeTest, All) {
-  TestExe("setup1.exe");
+TEST_F(EncodeDecodeTest, Elf_Small) {
+  std::string file = FileContents("elf-32-1");
+  TestAssembleToStreamDisassemble(file, 135988);
 }